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题库 / OG2019-SC-709
Over the past ten years cultivated sunflowers have become a major commercial crop,second only to soybeans as a source of vegetable oil.
second only to soybeans as a source of vegetable oil
second in importance to soybeans only as a source of vegetable oil
being second in importance only to soybeans as a source of vegetable oil
which,as a source of vegetable oil, is only second to soybeans
as a source of vegetable oil only second to soybeans
题目分析：过去的十年，向日葵已经成为一种主要的商业作物，作为植物油来源之一地位仅次于大豆。
涉及到知识点：only的用法：only紧紧修饰其身后的词。
选项分析：
A选项：正确。only修饰大豆，意为“（向日葵）次于的，仅仅是大豆，没有别的作物”。
B选项：only修饰as a source。意为“仅仅作为植物油”，但理论上应该是“仅仅超过大豆”。
C选项：这里second前加了“being”，表示“正在是排第二的”，但从时态角度来说，没必要用正在进行时。
D选项：which引导的定语从句，谓语动词为is，修饰了crop，但理论上应该修饰sunflowers。
E选项：only修饰second，意为“仅仅是次于的，没有别的特征”，但理论上应该是“次于的，仅仅是大豆，没有别的作物”。
X is second only to Y = only Y can be better than X out of all the options available
X is only second to Y = X is second to Y, but may be first, third, or tenth compared to other options available
C. being second in importance only to soybeans as a source of vegetable oil.
This answer is INCORRECT because there are added words in the answer that are unnecessary. The word “being” doesn’t add anything to the sentence’s meaning, and the phrase “in importance” is redundant. We can safely assume if things are being ranked in some way, they are ranked by order of importance.
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